Description : How do you find the derivative for f(x) integral (1-t2)(1 plus t4) from sin2x to 1?
Last Answer : My suggestion is to multiply the binomials and do the integration directly, and then differentiate the result with respect to x. (If that doesn't work, feel free to send me a picture of the problem and I'll give it another try.)
Description : `int_(0)^(pi//4) log (1+tan x) dx =?`
Last Answer : `int_(0)^(pi//4) log (1+tan x) dx =?` A. `(pi)/(4) log 2` B. `(pi)/(6) log 2` C. `(pi)/(8) log 2` D.
Description : `int_(0)^(pi//4) e^(x) (tan x+ sec^(2)x) dx`
Last Answer : `int_(0)^(pi//4) e^(x) (tan x+ sec^(2)x) dx`
Description : `int_(0)^(pi//4) tan x dx`
Last Answer : `int_(0)^(pi//4) tan x dx`
Description : Let `S={xepsilon(-pi,pi):x!=0,+pi/2}`The sum of all distinct solutions of the equation `sqrt3secx+cosecx+2(tan x-cot x)=0` in the set S is equal to
Last Answer : Let `S={xepsilon(-pi,pi):x!=0,+pi/2}`The sum of all distinct solutions of the equation `sqrt3secx+cosecx+2(tan x- ... 2pi)/(9)` C. `0` D. `(5pi)/(9)`
Description : The number of values of `theta` in the interval `(-pi/2,pi/2)` such that `theta != npi/5` for `ninN` and `tan theta = cot 5theta` as well as `sin2thet
Last Answer : The number of values of `theta` in the interval `(-pi/2,pi/2)` such that `theta != npi/5` for ... = cot 5theta` as well as `sin2theta = cos 4theta` is
Description : `(i) int e^(x). "[log (sec x+tan x) + sec x dx "` `(ii) int (e^(-x)(cos x-sin x))/(cos^(2) x) dx`
Last Answer : `(i) int e^(x). "[log (sec x+tan x) + sec x dx "` `(ii) int (e^(-x)(cos x-sin x))/(cos^(2) x) dx`
Description : `(i) int(1)/(sqrt(1-x^(2)).cos^(-1) x)dx` `(ii) int (sin(tan^(-1)x))/(1+x^(2))dx`
Last Answer : `(i) int(1)/(sqrt(1-x^(2)).cos^(-1) x)dx` `(ii) int (sin(tan^(-1)x))/(1+x^(2))dx`
Description : (i) `int(sec x* cosec x)/(log cot x) dx` (ii) `int tan^(4) x dx`
Last Answer : (i) `int(sec x* cosec x)/(log cot x) dx` (ii) `int tan^(4) x dx`
Description : ` (i) int(1)/((1+x^(2))tan ^(-1) x )dx " "(ii) int(e^(tan^(-1)x))/(1+x^(2))dx`
Last Answer : ` (i) int(1)/((1+x^(2))tan ^(-1) x )dx " "(ii) int(e^(tan^(-1)x))/(1+x^(2))dx`
Description : `(i) int(tan^(-1))/((1+x^(2)))dx" "(ii) int(1)/(sqrt(1-x^(2)) sin^(-1)x)dx`
Last Answer : `(i) int(tan^(-1))/((1+x^(2)))dx" "(ii) int(1)/(sqrt(1-x^(2)) sin^(-1)x)dx`
Description : ` (i) int sqrt(1+ sin .(x)/(2)dx)` `(ii) int (1+cos 4x)/(cot x- tan x)dx`
Last Answer : ` (i) int sqrt(1+ sin .(x)/(2)dx)` `(ii) int (1+cos 4x)/(cot x- tan x)dx`
Description : `(i) int_(0)^(pi//4) e^(tanx) . sec^(2) x dx` `(ii) int_(0)^(pi//4) (sin (cos 2x))/(" cosec " 2x)dx`
Last Answer : `(i) int_(0)^(pi//4) e^(tanx) . sec^(2) x dx` `(ii) int_(0)^(pi//4) (sin (cos 2x))/(" cosec " 2x)dx`
Description : `(i) int_(0)^(pi//2) x sin x cos x dx` `(ii) int_(0)^(pi//6) (2+3x^(2)) cos 3x dx`
Last Answer : `(i) int_(0)^(pi//2) x sin x cos x dx` `(ii) int_(0)^(pi//6) (2+3x^(2)) cos 3x dx`
Description : for `0ltthetaltpi/2 ` the solution(s) of ` sum_(m=1)^6c o s e c(theta+((m-1)pi)/4)c o s e c(theta+(mpi)/n)=4sqrt(2)` is (are):
Last Answer : for `0ltthetaltpi/2 ` the solution(s) of ` sum_(m=1)^6c o s e c(theta+((m-1)pi)/4)c o s e c(theta+(mpi)/n ... (pi)/(6)` C. `(pi)/(12)` D. `(5pi)/(12)`
Description : If sin theta equals 3/4 and theta is in quadrant II what is the value of tan theta?
Last Answer : 0.75
Description : Solve the following equation `(i) 5cos2theta+2cos^(2)"(theta)/(2)+1=0`, `-(pi)/(2) lt theta lt (pi)/(2)` `(ii) sin7theta+sin4theta+sintheta=0`, `0 le
Last Answer : Solve the following equation `(i) 5cos2theta+2cos^(2)"(theta)/(2)+1=0`, `-(pi)/(2) lt theta ... iii) tantheta+sectheta=sqrt(3)`, `0 le theta le 2pi`
Description : Identify the correct sequence of increasing of `pi-` bonds in the structure of the following molecules `:` `(I)H_(2)S_(2)O_(6)" "(II)H_(2)S_(2)O_(3)"
Last Answer : Identify the correct sequence of increasing of `pi-` bonds in the structure of the following molecules `:` `(I)H_(2) ... I C. II, I, III D. I, III,II
Description : Statement-I : Elements of oxygen family are not capable of forming `p pi-p pi` bonds with other elements of smaller size like C, N ets Statement-II :
Last Answer : Statement-I : Elements of oxygen family are not capable of forming `p pi-p pi` bonds with ... Statement-I is not correct and Statement-II is correct
Last Answer : Identify the correct sequence of increasing of `pi-` bonds in the structure of the following molecules `:` `(I)H_(2) ... i C. ii, I, iii D. I, iii, ii
Description : Classify the following mixtures as homogeneous and heterogeneous. (i)Tincture of iodine (iv)Sugar solution (ii)Smoke (iii)Brass -Chemistry
Last Answer : In the above classification, tincture of iodine, brass and sugar are homogenous mixture while the smoke is heterogeneous mixture. Tincture of iodine is a liquid solution, brass is an alloy made ... component. Smoke on other hand is composed of moisture and gas thus making the mixture heterogeneous.
Description : (a) Write one example for each of decomposion reaction carried out with help of (i) Electricity (ii) Heat (iii) Light (b) Which of the following statements is correct and why copper can displace silver from silver nitrate and silver can displace copper from copper sulphate solution. -Chemistry
Last Answer : Thi is the Answer:
Description : Reena's father works with a company that builds dams. Once he took her to the site where a dam was being built. Reena saw a group of people sitting there and shouting slogans against the ... the peaceful resolution of the conflict proved to boon for many citizens of the country. How? -Biology
Last Answer : (i) Because she convinced the people by explaining them the advantage of constructing dam and come with a solution of rehabilitation of displaced peoples. So the contribution to the peaceful resolution of ... (c) Low cost of production of electricity gives monetary gain which is a boon to citizens.
Description : How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) HCl (iii) `Na_(2)S` (iv) `Na_(2)SO_
Last Answer : How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) ... )S_(4)O_(6)` (vi) `HClO_(4)`
Description : Aqueous solution of how many of the following species turn blue limtus red ? (i) `SF_(4)` (ii) `PCl_(3)` (iii) `H_(2)O` (iv) `NO_(2)Cl` (v) `SF_(6)` (
Last Answer : Aqueous solution of how many of the following species turn blue limtus red ? (i) `SF_(4)` (ii) `PCl_(3)` ( ... )` (xii) `COCl_(2)` (viii) `C Cl_(4)`
Description : Which of the following hydrogen halides react with `AgNO_3` to give a precipitate that dissolves in hypo solution ? (I)HCl (II)HF (III)HI (IV)HBr
Last Answer : Which of the following hydrogen halides react with `AgNO_3` to give a precipitate that dissolves in hypo solution ? (I) ... II),(I) D. (II),(IV),(III)
Description : Howmany of the following compounds are dissolve in aqeous solution of `NaOH` (i) Phenol (ii) Cyclohexanol (iii) 2, 4-di nitro phenol (iv) Benzoic (v)
Last Answer : Howmany of the following compounds are dissolve in aqeous solution of `NaOH` (i) Phenol (ii) ... ) `alpha-` naphthol (ix) N-methyl aniline
Description : The pair(s) which will show displacement reaction is/are (i) NaCl solution and copper metal (ii) AgNO3 solution and copper metal (iii) Al2(SO4)3 solution and magnesium metal (iv) ZnSO4 solution and iron metal (a) (ii) only (b) (ii) and (iii) (c) (iii) and (iv) (d) (i) and (ii)
Last Answer : (c) (iii) and (iv)
Description : What type of colloidal sols are formed in the following ? (i) Sulphur vapours are passed through cold water. (ii) White of an egg is mixed with water. (iii) Concentration of soap solution is increased.
Last Answer : (i) Multimolecular colloid (ii) Macromolecular colloid (iii) Associated colloid.
Description : Which of the following is true when HCL is passed through water. (i) It does not ionize in the solution as it is a covalent compound (ii) It ionizes in the solution (iii) It gives both hydrogen and hydroxyl ions in the solution ... ) (i) only (b) (iii) only (c) (ii) and (iv) only (d) (iii) and (iv)
Last Answer : (c) (ii) and (iv) only
Description : .Which of the following statements is correct about an aqueous solution of an acid and of a base? (i) Higher the pH, stronger the acid (ii) Higher the pH, weaker the acid (iii) Lower the pH, stronger the base (iv) Lower the pH, ... (i) and (iii) (b) (ii) and (iii (c) (i) and (iv) (d) (ii) and (iv)
Last Answer : (d) (ii) and (iv)
Description : Match the following. a) Completeness i) How long does it take to find a solution b) Time Complexity ii) How much memory need to perform the search. c) Space Complexity iii) Is the strategy guaranteed to find the solution when there in ... , b-ii, c-iii C) a-iii, b-i, c-ii D) a-i, b-iii, c-ii
Last Answer : C) a-iii, b-i, c-ii
Description : What is the derivative of y = tan 1/2 x^3?
Last Answer : 3xraised2/(2*cos((xraised3)/2)raised2) Now work it back and see how that happened.
Description : If tan x = b/a , then what is the value of a cos 2x + b sin 2x? -Maths 9th
Last Answer : answer:
Description : If 3sin x + 4cos x = 5, then 6 tan x/2 - 9 tan^2 x/2 is equal to -Maths 9th
Description : If tan A – tan B = x and cot B – cot A = y, then what is cot (A – B) equal to? -Maths 9th
Description : If tan^2 y cosec^2 x – 1 = tan^2 y, then which one of the following is correct? -Maths 9th
Description : If secx = -3 and x lies in quadrant ll find tan x/2?
Last Answer : -5
Description : `int {1+2 tan x (tan x + sec x )}^(1//2) dx=?`
Last Answer : `int {1+2 tan x (tan x + sec x )}^(1//2) dx=?` A. `log {cosec x(sec x+tan x)}+c` B. `log {sec x (sec x+ tan x)} +c` C. None of the above D.
Description : `int (e^(m tan^(-1) x))/(1+x^(2)) dx=?`
Last Answer : `int (e^(m tan^(-1) x))/(1+x^(2)) dx=?` A. `(1)/(m) e^(m tan^(-1)x) +c` B. `e^(m tan^(-1)x) +c` C. None of these D.
Description : `int(tan^(-1)x)/(1+x^(2)) dx=?`
Last Answer : `int(tan^(-1)x)/(1+x^(2)) dx=?` A. `(1)/(3) (tan^(-1) x)^(2)+c` B. `(tan^(-1) x)^(2) +c` C. `(tan^(-1) x)^(3) +c` D.
Description : ` int sec x tan x sqrt(sec^(2) x+1)dx`
Last Answer : ` int sec x tan x sqrt(sec^(2) x+1)dx`
Description : `int e^(2x) " (tan x+1)"^(2) dx`
Last Answer : `int e^(2x) " (tan x+1)"^(2) dx`
Description : `int sec x tan x sqrt(tan^(2) x-4) dx`
Last Answer : `int sec x tan x sqrt(tan^(2) x-4) dx`
Description : The value of `inte^(tan^-1x) ((1+x+x^2)/(1+x^2))dx`
Last Answer : The value of `inte^(tan^-1x) ((1+x+x^2)/(1+x^2))dx`
Description : `int " x tan"^(-1) " x dx "`
Last Answer : `int " x tan"^(-1) " x dx "`
Description : `int " sec (tan"^(_1)" x ) dx "`
Last Answer : `int " sec (tan"^(_1)" x ) dx "`
Description : `intsqrt(1+2 tan x (tan x + sec x ) ) dx`
Last Answer : `intsqrt(1+2 tan x (tan x + sec x ) ) dx`